<template>
  <div class="wrapper">
    <swiper :options="swiperOption" v-if="showSwiper">
        <!-- slides -->
        <swiper-slide v-for="item of list" :key="item.id"> 
            <img class="swiper-img" :src="item.imgUrl" />
        </swiper-slide>
        <!-- Optional controls -->
        <div class="swiper-pagination"  slot="pagination"></div>
    </swiper>
  </div>
</template>

<script>
  export default {
    name: 'HomeSwiper',
    props: {
        list: Array
    },
    data (){
        return {
            swiperOption:{
                pagination:'.swiper-pagination',
                loop: true
            }
        }
    },
    computed: {
        showSwiper() {
            return this.list.length
        }
    }
  }
</script>

<style lang="stylus" scoped>
    .wrapper >>> .swiper-pagination-bullet-active
        background: #fff
    .wrapper
        overflow:hidden
        width:100%
        height:0
        padding-bottom:31.25%
        background:#eee
        .swiper-img
            width:100%
</style>